Premium Quality Replacement Part2x Front Rear Strut Bottom Pivot Ball for Polaris Sportsman 450 2006-07 2016-19For Polaris Models:Sportsman 450 2006-2007Sportsman 450 HO 2016-2019Order Includes:4 x Pivot Ball | 5432871 5430807Dimensions & Measurements :Outer Diameter : 46mm | 1.81″Inner Diameter : 19mm | 0.74″Bolt Slot : 13mm | 0.51″**